Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr-1/3 NPr-1 NPr NPr1/3 NPr-1/3 NPr-1 NPr NPr1/3 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Overall heat transfer co-efficient is very high Requirement of heat transfer area is low A corrosive liquid is to be heated High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high Requirement of heat transfer area is low A corrosive liquid is to be heated High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Condensate Non-condensables None of these Steam Condensate Non-condensables None of these Steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Duhring rule is important in solving problems on Crystallisation Distillation Humidification Evaporation Crystallisation Distillation Humidification Evaporation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Temperature gradient produced due to density difference None of these Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference None of these Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Remains unaffected Increases Increases exponentially Decreases Remains unaffected Increases Increases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS